Improve SL Micro 6.2 detection

changelog/68247.added.md

@@ -0,0 +1 @@
+Implement SL Micro 6.2 detection to fill the grains with proper values.

salt/grains/core.py

@@ -2479,6 +2479,18 @@ def _legacy_linux_distribution_data(grains, os_release, lsb_has_error):
         grains["oscodename"] = oscodename
     if "os" not in grains:
         grains["os"] = _derive_os_grain(grains["osfullname"])
+    if "SUSE_SUPPORT_PRODUCT" in os_release and "SUSE_SUPPORT_PRODUCT_VERSION":
+        # It's a workaround for very specific case of SL Micro 6.2
+        # SL Micro 6.2 is different than prevoius ones and identifies itself
+        # as SLES-16, but transactional. This workaround was made to make the grains
+        # of SL Micro 6.2 aligned with the previous versions.
+        grains["oscodename"] = os_release.get(
+            "SUSE_PRETTY_NAME",
+            f"{os_release['SUSE_SUPPORT_PRODUCT']} {os_release['SUSE_SUPPORT_PRODUCT_VERSION']}",
+        )
+        grains["osrelease"] = os_release["SUSE_SUPPORT_PRODUCT_VERSION"]
+        if os_release["SUSE_SUPPORT_PRODUCT"] == "SUSE Linux Micro":
+            grains["osfullname"] = "SL-Micro"
     # this assigns family names based on the os name
     # family defaults to the os name if not found
     grains["os_family"] = _OS_FAMILY_MAP.get(grains["os"], grains["os"])

tests/pytests/unit/grains/test_core.py

@@ -862,6 +862,34 @@ def test_suse_os_grains_tumbleweed():
     _run_suse_os_grains_tests(_os_release_data, {}, expectation)
 
 
+@pytest.mark.skip_unless_on_linux
+def test_suse_os_grains_slmicro62():
+    """
+    Test if OS grains are parsed correctly in SL Micro 6.2
+    """
+    _os_release_data = {
+        "NAME": "SLES",
+        "VERSION": "16.0",
+        "VERSION_ID": "16.0",
+        "PRETTY_NAME": "SUSE Linux Enterprise Server 16.0",
+        "ID": "sles",
+        "ANSI_COLOR": "0;32",
+        "CPE_NAME": "cpe:/o:suse:sles:16:16.0",
+        "SUSE_SUPPORT_PRODUCT": "SUSE Linux Micro",
+        "SUSE_SUPPORT_PRODUCT_VERSION": "6.2",
+        "SUSE_PRETTY_NAME": "SUSE Linux Micro 6.2",
+    }
+    expectation = {
+        "oscodename": "SUSE Linux Micro 6.2",
+        "osfullname": "SL-Micro",
+        "osrelease": "6.2",
+        "osrelease_info": (6, 2),
+        "osmajorrelease": 6,
+        "osfinger": "SL-Micro-6",
+    }
+    _run_suse_os_grains_tests(_os_release_data, {}, expectation)
+
+
 @pytest.mark.skip_unless_on_linux
 def test_debian_9_os_grains():
     """